Idaho State Treasurer's Office
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Legal Rate of Interest

The legal rate of interest also known as the "judgment rate" on money due on the judgment of any competent court or tribunal is determined on July 1 of each year by the Idaho State Treasurer. The base rate is determined by the Idaho State Treasurer utilizing the published interest rates during the second week in June. The rate of interest is applicable for the succeeding twelve months to all judgments declared during those twelve months.

Current Rate

  • Fiscal Year 2009 (effective July 1st, 2008) - 7.625%
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Previous Rates

Fiscal Year 2008 - July 2007 10.000%
Fiscal Year 2007 - July 2006 10.125%
Fiscal Year 2006 - July 2005 8.375%
Fiscal Year 2005 - July 2004 7.125%
Fiscal Year 2004 - July 2003 6.000%
Fiscal Year 2003 - July 2002 7.250%
Fiscal Year 2002 - July 2001 8.750%
Fiscal Year 2001 - July 2000 11.250%
Fiscal Year 2000 - July 1999 10.125%
Fiscal Year 1999 - July 1998 10.500%
Fiscal Year 1998 - July 1997 10.750%
Fiscal Year 1997 - July 1996 10.875%
Fiscal Year 1996 - July 1995 10.875%
Fiscal Year 1995 - July 1994 10.500%
Fiscal Year 1994 - July 1993 8.500%
Fiscal Year 1993 - July 1992 9.125%
Fiscal Year 1992 - July 1991 11.375%
Fiscal Year 1991 - July 1990 13.250%
Fiscal Year 1990 - July 1989 13.375%
Fiscal Year 1989 - July 1988 12.625%
Fiscal Year 1988 - July 1987 11.875%
Fiscal Year 1987 - July 1986 18.000%